1214782272 has 252 divisors, whose sum is σ = 3959388576. Its totient is φ = 366716160.

The previous prime is 1214782267. The next prime is 1214782339. The reversal of 1214782272 is 2722874121.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4618813 + ... + 4619075.

Almost surely, 2^1214782272 is an apocalyptic number.

1214782272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214782272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1979694288).

1214782272 is an abundant number, since it is smaller than the sum of its proper divisors (2744606304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214782272 is an frugal number, since it uses more digits than its factorization.

1214782272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 279 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 1214782272 is about 34853.7268021656. The cubic root of 1214782272 is about 1067.0042480112.

The spelling of 1214782272 in words is "one billion, two hundred fourteen million, seven hundred eighty-two thousand, two hundred seventy-two".